CN106050235A - Rapid forming technique for cutting groove in large-structure stope - Google Patents
Rapid forming technique for cutting groove in large-structure stope Download PDFInfo
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- CN106050235A CN106050235A CN201610384398.2A CN201610384398A CN106050235A CN 106050235 A CN106050235 A CN 106050235A CN 201610384398 A CN201610384398 A CN 201610384398A CN 106050235 A CN106050235 A CN 106050235A
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- stope
- cutting
- explosion
- hole
- lane
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- 238000005520 cutting process Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005422 blasting Methods 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 14
- 238000004880 explosion Methods 0.000 claims description 58
- 238000010276 construction Methods 0.000 claims description 12
- 238000000605 extraction Methods 0.000 abstract 3
- 239000000843 powder Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a rapid forming technique for a cutting groove in a large-structure stope. The rapid forming technique comprises the steps that the stope with the height being 80-150 m, the width being 20-25 m and the length equal to the thickness of an ore body is divided into four layers, specifically, the height of each layer is 20-30 m; a cutting roadway is arranged at the end of an upper disc of the stope, and a cutting well is arranged in the position, close to the stope boundary, of one side of a transverse cutting roadway of the stope or arranged in the middle of the cutting roadway of the stope; a medium-depth hole blasting technique is used for one-time blasting for well formation, and the cutting roadway is blasted from bottom to top, so that the cutting groove is formed rapidly. According to the rapid forming technique for the cutting groove in the large-structure stope, the operating environment of personnel is obviously improved, the cost is reduced, and the safety performance is good; the number of well cutting operators is obviously reduced, and the labor intensity of the personnel is relieved; the thorough-pulling time of the stope is short, and the large-scale ore extraction capacity at the ore extraction level can be guaranteed rapidly; the blocked-out ore reserve can be effectively reduced, and the fund utilization efficiency is improved; and the extracted ore tonnage of oil shovels on the upper three layers can be reduced, the extracted ore tonnage of an electric shovel of the lowest layer is increased, and the ore extraction cost is reduced.
Description
Technical field:
The present invention relates to underground mine exploitation field, particularly relate to a kind of big structure quick formation process of stope cutting groove, be suitable for
In the exploitation application of extensive high-dipping ore block.
Background technology:
For the high-dipping ore block exploitation that ore deposit rock is firm ~ extremely firm, the formation of cutting groove is generally cut well and is added in cutting lane
The form of hole explosion, in order to provide compensation space for ensuing blast.
Current China mine forms the most artificial the construction in cutting lane of form of cutting groove and cuts well, cuts well construction and completes
After, then by cutting lane construction medium-length hole, the most successively explosion, form cutting groove.Cut well construction to need (to adopt for one for 30 days
Well is cut in 4, field, and cutting well construction for every needs 15 days, and 2 troops construct simultaneously), cutting lane medium-length hole blasting draws and forms cutting
The minimum needs of groove 30 days, form the minimum needs of cutting groove 60 days by traditional construction technique.Large-scale super-huge underground mine is come
Say, for meeting mine capacity, generally require that arrangement is multiple cuts the simultaneously explosion of well, multiple stope cutting groove mesopore, formed big
The scale ore removal time is long, and the workload such as stope production scheduling, job-shop is complicated, and personnel equipment work team consumes big, and work efficiency is low.This
Outer artificial construction cuts well needs personnel's operation in cutting well, safety to be protected.
Summary of the invention:
In order to make up prior art problem, it is an object of the invention to provide a kind of big structure quick formation process of stope cutting groove,
Can guarantee that stope quickly forms extensive ore removal condition, efficiency is high, low cost, and safety is high, effectively reduces and adopts standard, standby mining
Amount, meets the requirement of production capacity.
Technical scheme is as follows:
The big structure quick formation process of stope cutting groove, it is characterised in that comprise the steps:
1), Slice stoping: the high 80 ~ 150m of stope, width 20 ~ 25m, a length of orebody thickness, be divided into 4 layerings, layer height
It is 20 ~ 30m；
2), cutting lane is arranged: cutting lane is arranged in dish end on stope；
3), cut well arrange: cut well be arranged in stope cutting crosscut side near stope boundary or be arranged in stope cutting
In the middle of lane；
4), cutting groove is formed: utilize Deep Hole Blasting shaft formatting by one blasting, cutting lane explosion to use method from top to bottom
Quickly form cutting groove.
The described big structure quick formation process of stope cutting groove, it is characterised in that: described cutting well height is 18 ~
22m, uses down-the-hole drill from higher slice down construction in layer, and aperture is Φ 140mm ~ Φ 165mm, cuts well explosion and uses 1 ~ 2 time
Explosion is formed.
The described big structure quick formation process of stope cutting groove, it is characterised in that: described cutting lane explosion is from lower point
Layer is toward higher slice explosion successively, and the explosion of each Slice by slice cutting lane uses 1 ~ 2 separate explosion to complete.
The described big structure quick formation process of stope cutting groove, it is characterised in that: described cutting lane explosion uses squeezes
The form of pressure explosion carries out explosion, and after every separate explosion completes, ore removal is the 30% ~ 40% of explosion ore deposit amount.
The invention have the advantage that
The present invention staff's working environment is obviously improved, and reduces cost, and safety is high；Significantly reduce the well operations personnel that cut, reduce people
Member's operation intensity；Stope draws the time short, can quickly ensure the extensive ore removal ability of ore removal level；Can effectively reduce standby mining
Amount, improves fund utilization ratio；Upper three layering oil shovel yields can be reduced, increase lower leaf power shovel yield, reduce and
Ore deposit cost.
Accompanying drawing illustrates:
Fig. 1 is that medium-length hole blasting cuts well cloth hole and firing order figure.
Fig. 2 is cutting lane medium-length hole structure chart.
Fig. 3 is cutting lane medium-length hole plane graph.
Fig. 4 is that big structure stope cutting groove forms left view.
Fig. 5 is that big structure stope cutting groove forms top view.
Reference: a, b, c, d-slice drift；1-ore removal connection lane；2-cuts lane；3-cuts well；4-rock drilling route；5-goes out
Lane, ore deposit；6-is by lane, ore deposit.
Detailed description of the invention:
See accompanying drawing:
The big structure quick formation process of stope cutting groove, it is characterised in that comprise the steps:
1), Slice stoping: the high 80 ~ 150m of stope, width 20 ~ 25m, a length of orebody thickness, be divided into 4 layerings, layer height
It is 20 ~ 30m；
2), cutting lane is arranged: cutting lane is arranged in dish end on stope；
3), cut well arrange: cut well be arranged in stope cutting crosscut side near stope boundary or be arranged in stope cutting
In the middle of lane；
4), cutting groove is formed: utilize Deep Hole Blasting shaft formatting by one blasting, cutting lane explosion to use method from top to bottom
Quickly form cutting groove.
Cutting well height is 18 ~ 22m, uses down-the-hole drill from higher slice down construction in layer, and aperture is Φ 140mm ~ Φ
165mm, cuts well explosion and uses 1 ~ 2 separate explosion to be formed.
Cutting lane explosion is from lower leaf toward higher slice successively explosion, and the explosion of each Slice by slice cutting lane uses 1 ~ 2 separate explosion complete
Become.
Cutting lane explosion uses the form of tight-face blasting to carry out explosion, and after every separate explosion completes, ore removal is explosion ore deposit amount
30%~40%。
Embodiment:
Big structure stope is cut under the construction of well medium-length hole to upright opening, and concrete hole is arranged and constructed according to Fig. 1.Cut lane medium-length hole construction root
Construct according to Fig. 2.Cut well medium-length hole and cut after lane medium-length hole constructed, starting establishment officer's explosion.
What first explosion was respectively layered cuts well, and each layering is cut well and divided 2 separate explosions from top to bottom；
Blasting height is 6 ~ 8m for the first time, and K1, K2, K3, K4 are emptying aperture, not powder charge.Ringing powder charge hole headed by 1# hole, detonator section selects
With 1 section；2# hole uses 3 sections of detonators；3# hole detonator section selects 5 sections；4#, 5# hole selects 7 sections；6#, 7# hole selects 9 sections, 8#, 9#
Hole selects 10 sections, and 10#, 11# hole selects 11 sections, and 12#, 13# hole selects 12 sections.Bottom blocking height 1m, top blocking height is
2m, middle filling explosive.
Blasting height is 12 ~ 14m for the second time, uses layered charge, ground floor powder charge: K1, K2, K3, K4 are emptying aperture, do not fill
Medicine.1# hole detonator section selects 1 section；2# hole uses 3 sections of detonators；3# hole detonator section selects 5 sections；4#, 5# hole selects 7 sections；6#、
7# hole selects 9 sections, and 8#, 9# hole selects 10 sections, and 10#, 11# hole selects 11 sections, and 12#, 13# hole selects 12 sections.Second layer powder charge:
K1, K2, K3, K4 are emptying aperture, not powder charge.1# hole detonator section selects 13 sections；2# hole, 3# hole select 14 sections；4#, 5 sections are selected
15 sections；6#, 7# hole selects 16 sections, and 8#, 9# hole section selects 17 sections, and 10#, 11#, 12#, 13# hole section selects 19 sections.Bottom is stifled
Plug height 1m, is 1m ~ 2m by river sand interval height between two layerings, and top blocking height is 2m.
Wherein: between 1# hole and 2# hole, 3# hole, 4# hole, 5# hole, spacing is 0.9m, 1# hole and K1 hole, K2 hole, K3 hole, K4
Spacing between hole is 0.5m；
2# hole, 3# hole, 4# hole, 5# hole are 1.2m with spacing between the most corresponding 10# hole, 11# hole, 12# hole, 13# hole；
Between 10# hole with 13# hole, between spacing and 11# hole and 12# hole, spacing is identical, and distance is 4.0m；
Between 10# hole with 12# hole, between spacing and 11# hole and 13# hole, spacing is identical, and distance is 3.5m；
Between K1 hole with 6# hole, between spacing and K2 hole and 7# hole, spacing is identical, and distance is 1.1m；
Between K3 hole with 9# hole, between spacing and K4 hole and 8# hole, spacing is identical, and distance is 1.1m.
Cut after well explosion completes, then explosion lower leaf (a) cutting lane medium-length hole.Using 1 separate explosion, explosion uses row
Between short-delay blasting, first explosion is near cutting the medium-length hole of well, to cut well as the scope of freedom, from the middle explosion successively toward both sides.Cutting lane
After medium-length hole blasting completes, yield is the 30% ~ 40% of explosion ore deposit amount.
Then starting layering (b) cutting lane medium-length hole in explosion, use 1 separate explosion, explosion uses short-delay blasting between row,
First explosion is near cutting the medium-length hole of well, to cut well as the scope of freedom, from the middle explosion successively toward both sides.
Then starting explosion lower leaf (a) and just arranging medium-length hole, explosion uses short-delay blasting in row, with cutting groove as freedom
Face, from back to front explosion, yield be just arranging and upper one explosion ore deposit, Slice by slice cutting lane amount 30% ~ 40%.The most lower two points
Layer explosion is through.
Higher slice explosion and lower leaf blasting technology and sequence consensus, until 4 layerings are all drawn, formed to go out on a large scale
Ore deposit ability.
Claims (4)
1. the big structure quick formation process of stope cutting groove, it is characterised in that comprise the steps:
1), Slice stoping: the high 80 ~ 150m of stope, width 20 ~ 25m, a length of orebody thickness, be divided into 4 layerings, layer height
It is 20 ~ 30m；
2), cutting lane is arranged: cutting lane is arranged in dish end on stope；
3), cut well arrange: cut well be arranged in stope cutting crosscut side near stope boundary or be arranged in stope cutting
In the middle of lane；
4), cutting groove is formed: utilize Deep Hole Blasting shaft formatting by one blasting, cutting lane explosion to use method from top to bottom
Quickly form cutting groove.
The big structure quick formation process of stope cutting groove the most according to claim 1, it is characterised in that: described cutting well
Being highly 18 ~ 22m, use down-the-hole drill from higher slice down construction in layer, aperture is Φ 140mm ~ Φ 165mm, cuts well explosion
1 ~ 2 separate explosion is used to be formed.
The big structure quick formation process of stope cutting groove the most according to claim 1, it is characterised in that: described cutting lane
Explosion is from lower leaf toward higher slice successively explosion, and the explosion of each Slice by slice cutting lane uses 1 ~ 2 separate explosion to complete.
The big structure quick formation process of stope cutting groove the most according to claim 1, it is characterised in that: described cutting lane
Explosion uses the form of tight-face blasting to carry out explosion, and after every separate explosion completes, ore removal is the 30% ~ 40% of explosion ore deposit amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384398.2A CN106050235A (en) | 2016-05-30 | 2016-05-30 | Rapid forming technique for cutting groove in large-structure stope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384398.2A CN106050235A (en) | 2016-05-30 | 2016-05-30 | Rapid forming technique for cutting groove in large-structure stope |
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| Publication Number | Publication Date |
|---|---|
| CN106050235A true CN106050235A (en) | 2016-10-26 |
Family
ID=57171940
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|---|---|---|---|
| CN201610384398.2A Pending CN106050235A (en) | 2016-05-30 | 2016-05-30 | Rapid forming technique for cutting groove in large-structure stope |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706331A (en) * | 2020-07-07 | 2020-09-25 | 酒泉钢铁(集团)有限责任公司 | Construction method for underground vein outer vein-following roadway |
| CN113431576A (en) * | 2021-05-20 | 2021-09-24 | 安徽开发矿业有限公司 | Control process for reducing stoping filling mixing rate of two-step stope |
| CN114086960A (en) * | 2022-01-21 | 2022-02-25 | 矿冶科技集团有限公司 | Forming method of cutting groove |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1164427A1 (en) * | 1983-12-27 | 1985-06-30 | Всесоюзный Научно-Исследовательский Институт Безопасности Труда В Горнорудной Промышленности | Matching mine support |
| SU1222833A1 (en) * | 1983-11-04 | 1986-04-07 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Проходческих Машин И Комплексов Для Угольной,Горной Промышленности И Подземного Строительства | Drilling unit |
| CN1058632A (en) * | 1991-07-17 | 1992-02-12 | 任有新 | Oil well fire-extinguishing unit and machinery thereof are charged into fire fighting method |
| CN201232572Y (en) * | 2008-07-14 | 2009-05-06 | 义马煤业(集团)有限责任公司 | Coal mine tunnel goaf fire wall |
| CN105401971A (en) * | 2015-09-02 | 2016-03-16 | 煤科集团沈阳研究院有限公司 | Surface and underground combined regional grouting method |
-
2016
- 2016-05-30 CN CN201610384398.2A patent/CN106050235A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1222833A1 (en) * | 1983-11-04 | 1986-04-07 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Проходческих Машин И Комплексов Для Угольной,Горной Промышленности И Подземного Строительства | Drilling unit |
| SU1164427A1 (en) * | 1983-12-27 | 1985-06-30 | Всесоюзный Научно-Исследовательский Институт Безопасности Труда В Горнорудной Промышленности | Matching mine support |
| CN1058632A (en) * | 1991-07-17 | 1992-02-12 | 任有新 | Oil well fire-extinguishing unit and machinery thereof are charged into fire fighting method |
| CN201232572Y (en) * | 2008-07-14 | 2009-05-06 | 义马煤业(集团)有限责任公司 | Coal mine tunnel goaf fire wall |
| CN105401971A (en) * | 2015-09-02 | 2016-03-16 | 煤科集团沈阳研究院有限公司 | Surface and underground combined regional grouting method |
Non-Patent Citations (1)
| Title |
|---|
| 朱国涛等: "李楼铁矿厚大矿体安全回采研究", 《现代矿业》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706331A (en) * | 2020-07-07 | 2020-09-25 | 酒泉钢铁(集团)有限责任公司 | Construction method for underground vein outer vein-following roadway |
| CN111706331B (en) * | 2020-07-07 | 2022-03-15 | 酒泉钢铁(集团)有限责任公司 | Construction method for underground vein outer vein-following roadway |
| CN113431576A (en) * | 2021-05-20 | 2021-09-24 | 安徽开发矿业有限公司 | Control process for reducing stoping filling mixing rate of two-step stope |
| CN114086960A (en) * | 2022-01-21 | 2022-02-25 | 矿冶科技集团有限公司 | Forming method of cutting groove |
| CN114086960B (en) * | 2022-01-21 | 2022-04-19 | 矿冶科技集团有限公司 | Forming method of cutting groove |
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Application publication date: 20161026 |
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